Patents by Inventor Edwin J. Lenney

Edwin J. Lenney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cartridge assembly for a typewriter
    Patent number: D253239
    Type: Grant
    Filed: May 27, 1977
    Date of Patent: October 23, 1979
    Assignee: International Business Machines Corporation
    Inventors: Edwin J. Lenney, John O. Schaefer
  • Cartridge for a typewriter
    Patent number: D253312
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: October 30, 1979
    Assignee: International Business Machines Corporation
    Inventors: Edwin J. Lenney, John O. Schaefer
  • Cartridge for a typewriter
    Patent number: D253354
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: November 6, 1979
    Assignee: International Business Machines Corporation
    Inventors: Edwin J. Lenney, John O. Schaefer